CAS Formulus FAQ

Frequently Asked Questions

General Information

How do I access CAS Formulus?

If your organization has either stand-alone CAS Formulus or CAS SciFinder Discovery Platform you can access CAS Formulus at: or

Does my organization have CAS Formulus? 

Please contact the CAS Customer Center for information about your organization’s access to CAS Formulus.

I’m interest in CAS Formulus. How do I learn more about it?

For more information see the CAS Formulus solution page and/or fill out this form to be directly contacted by a CAS Representative.

Formulations Content

Where are all these formulations from?

The CAS Formulations collection is indexed by our team of scientists from a variety of patent and journal literature sources, as well as product insert databases. Literature originally published in Chinese, English, French, German, Japanese, and Korean is curated and made searchable.

What is “similarity” in formulation results? 

Formulation results are grouped by “similarity” to reduce the number of results within an answer set. Similarity is determined by attributes such as intended use of the product, specific features of the product, and/or the physical form of the product.

What types of formulations are included? 

CAS curates formulations from journals, patents, and product inserts in the pharmaceutical, agrochemical, and cosmetics and personal care industries.

Ingredients Content

What is the regulatory information coverage?

CAS Formulus includes a variety of formulation-centric regulatory information, including:
•    ANMAT (National Administration of Drugs, Foods, and Medical Devices; Argentina)
•    Cosmetic Ingredient Inventory (COSING; European Commission)
•    EMA EPARs (European Public Assessment Reports; European Medicines Agency)
•    EMA Excipients List
•    EMA Pending EPARs
•    EPA Pesticide Inactive Ingredients (Environmental Protection Agency; United States)
•    EU Active Substances in Pesticides (European Commission)
•    FDA Drug Master File List (Food and Drug Administration; United States)
•    FDA GRAS (Generally Recognized as Safe)
•    FDA Green Book
•    FDA Inactive Ingredients Database
•    FDA Orange Book
•    Japanese Approved Drugs List (Pharmaceuticals and Medical Device Agency; Japan)

How are “Commonly Formulated With” ingredients determined?

CAS employs machine learning with our unparalleled formulations collection to identify pairs of ingredients co-occurring in formulations; these are Commonly Formulated With. The ingredient pairs are presented in frequency descending order.